Rifa E. Ansiga, A. Rumambi, D. A. Kaligis, I. Mansur, W. Kaunang


EXPLORATION OF ARBUSCULAR MYCORRHIZAL (AM) FUNGI IN FORAGE RHIZOSPHERES. This study aimed to determine the diversity of Arbuscular Mycorrhizal Fungi (AMF) in several kinds of hybrid forages Rhizospheres, either in grasses or legumes. Soil samples were taken from three different locations, consisted of: Mapanget (forages type: Leucaena leucocepala, Sorghum varieties numbu, Penicettum purpureum cv. Mott), Tateli (forages type: calothyrsus Calliandra, Gliricidia sepium) and Campus of UNSRAT, Manado (forage type: King grass). The soil samples which taken from forages rhizospheres were sieved using Brundrett method and then centrifuged.  Thereafter, isolation and identification of spore were carried out based on spore morphology character, involves: shape, size, color, hyphae attachment, and ornament. Extraction and identification of spores on six types of rhizosphere were found 34 different types of AMF spores in shape and color. In grass, it was found three types of spores, i.e.: Glomus, Acaulospora, and Sclerocystis, meanwhile in leguminous just one type of spore was found, i.e.: Glomus. The difference of rhizosphere in grass and leguminosae resulted in different types of spores, where Sclerocystis and Acaulospora are found in grasses, on the contrary Sclerocystis and Acaulospora are not found in leguminosae. Based on the number of spores of AMF, it seemed that Glomus types found to have the most number, while Sclerocystis and Acaulospora had the lowest number of spores found.

Key words: Exploration, Arbuscular Mycorrhizal Fungi (AMF), Grass, Legume, Spores

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DOI: https://doi.org/10.35792/zot.37.1.2017.14463


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